[INFO] fetching crate snocat 0.6.0-alpha.9...
[INFO] checking snocat-0.6.0-alpha.9 against try#3f7b27fe41ccd116a4c0829bd9a14b65bada4578 for pr-96970
[INFO] extracting crate snocat 0.6.0-alpha.9 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate snocat 0.6.0-alpha.9 on toolchain 3f7b27fe41ccd116a4c0829bd9a14b65bada4578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snocat 0.6.0-alpha.9
[INFO] finished tweaking crates.io crate snocat 0.6.0-alpha.9
[INFO] tweaked toml for crates.io crate snocat 0.6.0-alpha.9 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59a500aecb62f7927e14047bbe9ebe58d514c38c55d200f9191644adf09beb68
[INFO] running `Command { std: "docker" "start" "-a" "59a500aecb62f7927e14047bbe9ebe58d514c38c55d200f9191644adf09beb68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59a500aecb62f7927e14047bbe9ebe58d514c38c55d200f9191644adf09beb68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59a500aecb62f7927e14047bbe9ebe58d514c38c55d200f9191644adf09beb68", kill_on_drop: false }`
[INFO] [stdout] 59a500aecb62f7927e14047bbe9ebe58d514c38c55d200f9191644adf09beb68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2da457010ce4bb37ee9093d0a5772b3066320123f90b5b977741b0dedb584a70
[INFO] running `Command { std: "docker" "start" "-a" "2da457010ce4bb37ee9093d0a5772b3066320123f90b5b977741b0dedb584a70", kill_on_drop: false }`
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[INFO] [stderr]    Compiling proc-macro2 v1.0.38
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[INFO] [stdout] warning: where clause not allowed here
[INFO] [stdout]    --> src/common/protocol/tunnel/duplex.rs:144:3
[INFO] [stdout]     |
[INFO] [stdout] 144 | /   where
[INFO] [stdout] 145 | |     B: 'a,
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated_where_clause_location)]` on by default
[INFO] [stdout]     = note: see issue #89122 <https://github.com/rust-lang/rust/issues/89122> for more information
[INFO] [stdout] help: move it to the end of the type declaration
[INFO] [stdout]     |
[INFO] [stdout] 144 ~   
[INFO] [stdout] 145 ~   = Arc<B> where B: 'a;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: where clause not allowed here
[INFO] [stdout]    --> src/common/protocol/tunnel/quinn_tunnel.rs:412:3
[INFO] [stdout]     |
[INFO] [stdout] 412 | /   where
[INFO] [stdout] 413 | |     B: 'a,
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #89122 <https://github.com/rust-lang/rust/issues/89122> for more information
[INFO] [stdout] help: move it to the end of the type declaration
[INFO] [stdout]     |
[INFO] [stdout] 412 ~   
[INFO] [stdout] 413 ~   = Arc<B> where B: 'a;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: where clause not allowed here
[INFO] [stdout]    --> src/common/protocol/tunnel/duplex.rs:144:3
[INFO] [stdout]     |
[INFO] [stdout] 144 | /   where
[INFO] [stdout] 145 | |     B: 'a,
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated_where_clause_location)]` on by default
[INFO] [stdout]     = note: see issue #89122 <https://github.com/rust-lang/rust/issues/89122> for more information
[INFO] [stdout] help: move it to the end of the type declaration
[INFO] [stdout]     |
[INFO] [stdout] 144 ~   
[INFO] [stdout] 145 ~   = Arc<B> where B: 'a;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: where clause not allowed here
[INFO] [stdout]    --> src/common/protocol/tunnel/quinn_tunnel.rs:412:3
[INFO] [stdout]     |
[INFO] [stdout] 412 | /   where
[INFO] [stdout] 413 | |     B: 'a,
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #89122 <https://github.com/rust-lang/rust/issues/89122> for more information
[INFO] [stdout] help: move it to the end of the type declaration
[INFO] [stdout]     |
[INFO] [stdout] 412 ~   
[INFO] [stdout] 413 ~   = Arc<B> where B: 'a;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/util/tunnel_stream.rs:87:3
[INFO] [stdout]    |
[INFO] [stdout] 87 | /   fn poll_read(
[INFO] [stdout] 88 | |     self: Pin<&mut Self>,
[INFO] [stdout] 89 | |     cx: &mut Context<'_>,
[INFO] [stdout] 90 | |     buf: &mut tokio::io::ReadBuf<'_>,
[INFO] [stdout] ...  |
[INFO] [stdout] 94 | |     AsyncRead::poll_read(Pin::new(&mut ref_stream), cx, buf)
[INFO] [stdout]    | |     -------------------------------------------------------- recursive call site
[INFO] [stdout] 95 | |   }
[INFO] [stdout]    | |___^ cannot return without recursing
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/util/tunnel_stream.rs:87:3
[INFO] [stdout]    |
[INFO] [stdout] 87 | /   fn poll_read(
[INFO] [stdout] 88 | |     self: Pin<&mut Self>,
[INFO] [stdout] 89 | |     cx: &mut Context<'_>,
[INFO] [stdout] 90 | |     buf: &mut tokio::io::ReadBuf<'_>,
[INFO] [stdout] ...  |
[INFO] [stdout] 94 | |     AsyncRead::poll_read(Pin::new(&mut ref_stream), cx, buf)
[INFO] [stdout]    | |     -------------------------------------------------------- recursive call site
[INFO] [stdout] 95 | |   }
[INFO] [stdout]    | |___^ cannot return without recursing
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "2da457010ce4bb37ee9093d0a5772b3066320123f90b5b977741b0dedb584a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da457010ce4bb37ee9093d0a5772b3066320123f90b5b977741b0dedb584a70", kill_on_drop: false }`
[INFO] [stdout] 2da457010ce4bb37ee9093d0a5772b3066320123f90b5b977741b0dedb584a70